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TR 23.879 (SA2)
Study on
CS Domain Services
over Evolved PS Access

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V9.0.0 (Wzip)  2009/03  60 p.


Rapporteur:  Ms. Demel, Sabine
See also:

This TR contains the results of the study of the architectural requirements of CS Domain Services over evolved PS access and concludes with a way forward. Considerations include overall requirements, architectural requirements, evaluation of potential architectural solutions and alternative architectures.

full Table of Contents for  TR 23.879  Word version:   9.0.0

 

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1  ScopeWord-p. 7
2  References
3  Definitions and abbreviationsWord-p. 8
4  Requirements
5  Architecture AlternativesWord-p. 9
5.1  Alternative 1 - Evolved MSC
5.2  Alternative 2 - IWF between EPS and MSC
5.2.1  Reference architecture
5.2.2  ProceduresWord-p. 23
5.2.3  Co-existence with IMS based services
5.2.4  Roaming aspectsWord-p. 32
5.2.5  Security aspectsWord-p. 34
5.2.6  Charging aspects
5.2.7  Legal requirements aspects
5.2.7a  CSoPS interaction with ISR
5.2.8  AssessmentWord-p. 37
5.3  Alternative 3 - Iu-CS based solutionWord-p. 38
5.4  Alternative 4 - Page in eUTRAN, Call in GSM/WCDMAUp
5.5  Alternative 5 - SIP based approach
5.6  Alternative 6 - Combined solutionWord-p. 54
6  Conclusion
A  Change historyWord-p. 60

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